<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            box-sizing: border-box;
        }
        
    </style>
</head>
<body>
    <div id="app">
        <hr>
        <p>请选择你喜欢的专栏</p>
        <label v-for="(item, index) in list" :key="index">
        <input type="checkbox" :value="item" v-model="arrChecked">{{item}}</label>
        <ul>
            <li v-for="(item, index) in arrChecked" :key="index">{{item}}</li>
        </ul>
        
        
    </div>

    <script src="../vue.js"></script>
    <script>
        const app = new Vue({
            el: '#app',
            data: {
                arrChecked:[],
                list: ["科幻","喜剧", "动漫", "冒险", "科技", "军事", "娱乐", "奇闻"]
            }
        })
    </script>
</body>
</html>

<!-- 
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>请选择你喜欢的专栏</title>
  </head>
  <style>
    * {
      margin: 0;
      padding: 0;
    }
    div {
      text-align: center;
    }
    table {
      margin: 0 auto;
    }
  </style>
  <body>
    <div id="app">
      <h3>请选择你喜欢的专栏</h3>
      <label
        v-for="(item, index) in listBox"
        :key="index"
      >
        <input type="checkbox" :value="item" v-model="arrChecked" />{{item}}
      </label>
      <ul>
        <li v-for="(item, index) in arrChecked" :key="index">{{item}}</li>
      </ul>
    </div>
  </body>
</html>
<script src="../vue.js"></script>
<script>
  const app =  new Vue({
    el: "#app",
    data: {
      arrChecked: [],
      listBox: ["科幻", "喜剧", "动漫", "冒险", "科技", "军事", "娱乐", "奇闻"],
      isChecked: false,
    }
  });
  app.$watch("arrChecked", function (newVal, oldVal) {
    console.log(newVal, oldVal);
  })
</script> -->
